Screenprint on vinyl mounted to Plexiglas (as issued) with 79 facsimile notes contained in seven black paper folders, with accompanying text, all contained within the original linen-covered portfolio with printed title on the front.

1967

portfolio 33 x 28.5 cm (12 7/8 x 11 1/4 in.)

Signed, dated '1966' and numbered 72/150 with an electric engraving tool on the Plexiglas, also signed in black ink on the title page, published by Cordier & Ekstrom, New York.